- Appleknocker
- Birdbrain
- Blighty
- Boob
- Carpetbagger
- Corny
- Deadbeat
- Dimwit
- Dopey
- Dunderhead
- Featherbrained
- Flatfoot
- Goofy
- Half-wit
- Hayseed
- Ignoramus
- Jerk
- Lamebrain
- Louse
- Meathead
- Moron
- Nitwit
- Numbskull
- Pinhead
- Prune
- Quisling
- Ratfink
- Sap
- Screwball
- Simpleton
- Squirt
- Twerp
- Wacko
- Woolly-headed
- Yappie
- Yokel
- Zero